| Answer | Crossword Clue |
|---|---|
| TSARDOM | Realm for Peter or Ivan |
| HEAVEN | Realm for St. Peter |
| CZAR | Peter or Ivan |
| TYRANT | Ivan or Peter |
| TSAR | Ivan or Peter. |
| TSAR | Ivan or Peter |
| TSAR | Peter or Ivan |
| TSAR | Peter or Ivan, historically |
| TSAR | Peter I or Ivan IV |
| TSAR | Peter or Ivan (variant spelling) |
| TSAR | Peter or Ivan e.g. |
| TSAR | Ivan or Peter, e.g. |
| TSAR | Peter or Ivan, e.g. |
| TSAR | Ivan IV or Peter I |
| CZARINA | Spouse of Ivan or Peter |
| TSAR | Peter or Ivan, e.g. (Var.) |
| CZAR | Peter the Great or Ivan the Terrible |
| TSAR | Peter I or Ivan IV, e.g. |
| TSAR | Paul I, Peter II, or Ivan III |
